1. Development of a data structure to represent gearing systems in calculation software. 2. Specific development of the data structure for the RIKOR* software. 3. Redefinition of the data input routine for the RIKOR software. 4. Adaptation of a calculation routine to determine the load distribution on planets of a planetary gear set. 5. Design of a software controller to represent the relevant parts of a gearing system in a general solution model. *RIKOR: gear adjustment software